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FREE 2024 Oregon (OR) Combinación Simulador de examen 2

2024 OR Información de Combinación

El respaldo combinado le permite conducir un vehículo motorizado comercial (CMV) con un remolque adjunto. La aprobación combinada se requiere para un CDL de Clase A y permite que solo se conecte un remolque a la unidad de potencia. Si está buscando tirar de más de un remolque, también tendrá que tomar el respaldo de dobles - triples.

El examen combinado consta de 20 preguntas de opción múltiple que cubren las habilidades adicionales necesarias para operar un vehículo combinado, que generalmente son más pesadas, más largas y requieren habilidades adicionales. Deberá obtener un puntaje de al menos el 80% (16 de 20) para aprobar el examen combinado.

Tenemos 100 preguntas que es probable que encuentre en el examen de aprobación combinado. Estas preguntas siguen las pautas del manual para conductores de Oregon 2024, lo ayudarán a agregar el respaldo combinado a su CDL y le brindarán comentarios inmediatos con explicaciones para ayudarlo a retener la información. Comience hoy y póngase en el asiento del conductor.

Image of Oregon's Driver's License

Based on the 2024 OR CDL Driver's Manual

OR Combinación Fact Sheet
Questions on Test:
20
Correct answers needed to pass:
16
Passing Score:
80%
Age to apply:
18
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  1. The best way to tell if your trailer has started to skid is to
  2. Describe what the trailer air supply control does.
  3. If your vehicle is equipped with dummy couplers, why should you connect the glad hands to them?
  4. When coupling a tractor-semitrailer, to test the trailer air brakes, you should place the tractor protection valve control in what position?
  5. Trucks roll over more easily when fully loaded and are
  6. To stop a trailer skid, you should
  7. After you supply air to the trailer, make sure the airlines are not crossed and the trailer brakes are working. This is done by:
  8. The air leakage rate for a combination vehicle (engine off, brakes off) should be no more than ____ PSI per minute.
  9. If the service airline comes apart while you are driving a combination vehicle, but the emergency line stays together, what will happen right away?
  10. You are coupling a tractor and semi-trailer and have connected the air lines. Before backing under the trailer, you should:
  11. You have coupled with a semi-trailer. In what position should you put the front trailer supports before driving away?
  12. The driver crosses the airlines when hooking up to an old trailer. What will happen?
  13. Why should you be sure that the fifth wheel plate is greased as required?
  14. To prevent rollover, cargo should be
  15. Where should the tractor be when you inspect the landing gear after uncoupling the trailer?
  16. An antilock braking system (ABS) is useful
  17. You should use chocks when parking a trailer without spring brakes because
  18. To unlock the fifth wheel, pull the release handle to the _______ position.
  19. What is a tractor jackknife?
  20. What gear should the tractor engine be in after you uncouple the trailer and are inspecting the trailer supports?
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